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Network Administrator

Nakupuna Solutions

Listing collected from Nakupuna Solutions's career site. NextChapter is independent of Nakupuna Solutions.

Fort Belvoir, VA · Posted November 6, 2026

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About the job

Overview

Nakupuna Companies is seeking a Network Administrator. The Network Administrator is responsible for managing, maintaining, and optimizing network infrastructure, including wireless systems, routers, switches, Cisco DNA Center, and Identity Services Engine (ISE) while ensuring network security, performance, and reliability.

Responsibilities

The following duties reflect management's definition of essential functions for this job but do not restrict the tasks that might be assigned. Management may assign additional duties and responsibilities at any time due to reasonable accommodation or other reasons.

Network Infrastructure Management

Configure and maintain network devices (routers, switches, wireless)

Network engineering support will maintain the R&D networks and systems supporting the application development and application hosting environments, in coordination with the network service providers

Manage Cisco DNA Center infrastructure

Administer Cisco ISE platform

Monitor network performance and availability

Provide 99.5% uptime of hardware, operating systems, and networks during regular business hours, Monday through Friday, 0700 to 1900, and infrequent support outside regular business hours, including weekends.

Implement network security policies

Troubleshoot network issues

Provide reporting information assurance and validations into various Army/DoD systems

Perform network upgrades and maintenance

Manage network capacity and planning

Wireless Network Management

Configure and maintain wireless controllers

Manage wireless access points

Optimize wireless coverage and performance

Implement wireless security measures

Monitor wireless network health

Conduct wireless site surveys

Troubleshoot wireless connectivity issues

Maintain wireless documentation

Security and Access Control

Manage ISE policies and configurations

Implement network access control

Provide system and network implementation complying with all applicable security requirements including but not limited to the DISA STIGs and their respective checklists.

Configure network segmentation

Monitor security compliance

Manage authentication and authorization

Handle security incidents

Maintain security documentation

Implement BYOD solutions

Qualifications

Education and Experience

Bachelor’s degree in network engineering, Computer Science, or related field is preferred.

5+ years of network administration experience is preferred.

Required certifications to perform job duties including at a minimum Security+ CE and any additional specific standards such as:

Cisco CCNP Enterprise

Cisco CCNP Security

Cisco DNA Center Certification

Cisco ISE Certification

Wireless Professional Certifications

CompTIA Network+

Skills/Qualifications

Technical Skills

Expert knowledge of networking protocols

Strong understanding of wireless technologies

Experience with Cisco DNA Center

Proficiency with Cisco ISE

Knowledge of network security principles

Understanding of routing and switching

Experience with network automation

Familiarity with SDN concepts

Core Competencies

Network troubleshooting

Performance optimization

Security implementation

Configuration management

Network design

Policy administration

Automation scripting

Documentation skills

Leadership qualities

Clearance Requirements : Secret

Location: Fort Belvoir, VA

Physical Requirements: The ideal candidate must at a minimum, be able to meet the following physical requirements of the job with or without a reasonable accommodation:

Ability to perform repetitive motions with the hands, wrists, and fingers.

Ability to engage in and follow audible communications in emergencies.

Ability to sit for prolonged periods at a desk and work on a computer.

The Nakupuna Companies use a market-based compensation strategy to ensure that our employees are compensated within applicable market ranges commensurate with multiple factors, including but not limited to the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability, organizational requirements, and position location. The projected compensation range for this position is $135,000.00 to $142,000.00 (annualized USD). The salary range displayed represents the typical salary range for this position and is just one component of Nakupuna Companies total compensation package for employees.